FileExists: returns the path, not file digest.

src/common/requests/errors.cr

@@ -42,10 +42,10 @@ class FileStorage::Errors
 	JSONIPC.request FileExists, 204 do
 		property mid        : String
 		property reason     = "file already present"
-		property filedigest : String
+		property path       : String
 		property next_chunk : Int32
 
-		def initialize(@mid, @filedigest, @next_chunk)
+		def initialize(@mid, @path, @next_chunk)
 		end
 	end
 	FileStorage.errors << FileExists

src/server/storage.cr

@@ -112,6 +112,9 @@ class FileStorage::Storage
 			rescue e : IndexError
 				# In case the file was completely uploaded already.
 				return FileStorage::Errors::FileFullyUploaded.new mid, file_digest
+			rescue e
+				puts "error during transfer_info.chunks.sort.first"
+				raise e
 			end
 		end
 
@@ -192,7 +195,7 @@ class FileStorage::Storage
 			# in this case: ignore the upload request.
 			begin
 				next_chunk = transfer_info.chunks.sort.first
-				return FileStorage::Errors::FileExists.new mid, file_digest, next_chunk
+				return FileStorage::Errors::FileExists.new mid, path, next_chunk
 			rescue e : IndexError
 				# In case the file was completely uploaded already.
 				return FileStorage::Errors::FileFullyUploaded.new mid, file_digest